:+1: version and update docs

CHANGES.md

@@ -1,6 +1,10 @@
 CHANGES
 ========
 
+## 1.2.12
+
+* Improvement: Enabled to disable to push states with History API when tabs changes 
+
 ## 1.2.11
 
 * Improvement: Enabled to open editing form from affix header

package.json

@@ -1,6 +1,6 @@
 {
   "name": "crowi-plus",
-  "version": "1.2.11-RC",
+  "version": "1.2.12-RC",
   "description": "Enhanced Crowi",
   "tags": [
     "wiki",